Compare 63/81 and 36/42
63/81 is smaller than 36/42
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 42 is 1134
Next, find the equivalent fraction of both fractional numbers with denominator 1134 - For the 1st fraction, since 81 × 14 = 1134,
63/81 = 63 × 14/81 × 14 = 882/1134 - Likewise, for the 2nd fraction, since 42 × 27 = 1134,
36/42 = 36 × 27/42 × 27 = 972/1134 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 882/1134 < 972/1134 or 63/81 < 36/42
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